试题与答案

图示柱形滤水器直径为d,滤层高为h,渗流系数为k,当虑层上水深为H时,渗流流量Q为(

题型:单项选择题

题目:

图示柱形滤水器直径为d,滤层高为h,渗流系数为k,当虑层上水深为H时,渗流流量Q为()。

A.

B.

C.

D.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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